/Engine/Plugins/FX/Niagara/Source/NiagaraEditor/Public/Widgets/SNiagaraParameterPanel.h
bool OnCompareItemsForSorting ( const [FNiagaraParameterPanelItem](API\Plugins\NiagaraEditor\FNiagaraParameterPanelItem) & ItemA, const [FNiagaraParameterPanelItem](API\Plugins\NiagaraEditor\FNiagaraParameterPanelItem) & ItemB ) const